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Added copy constructor and copy assignment operator to all PDUs.

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This commit is contained in:
Matias Fontanini
2011-09-03 18:58:57 -03:00
parent fdcefd2132
commit 3178c217b3
22 changed files with 615 additions and 22 deletions
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33
src/dhcp.cpp
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@@ -63,6 +63,16 @@ Tins::DHCP::DHCP(const uint8_t *buffer, uint32_t total_sz) : BootP(buffer, total
}
}
Tins::DHCP::DHCP(const DHCP &other) : BootP(other) {
copy_fields(&other);
}
Tins::DHCP &Tins::DHCP::operator= (const DHCP &other) {
copy_fields(&other);
copy_inner_pdu(other);
return *this;
}
Tins::DHCP::~DHCP() {
while(_options.size()) {
delete[] _options.front().value;
@@ -71,8 +81,12 @@ Tins::DHCP::~DHCP() {
}
Tins::DHCP::DHCPOption::DHCPOption(uint8_t opt, uint8_t len, const uint8_t *val) : option(opt), length(len) {
value = new uint8_t[len];
std::memcpy(value, val, len);
if(len) {
value = new uint8_t[len];
std::memcpy(value, val, len);
}
else
value = 0;
}
bool Tins::DHCP::add_option(Options opt, uint8_t len, const uint8_t *val) {
@@ -149,7 +163,8 @@ void Tins::DHCP::write_serialization(uint8_t *buffer, uint32_t total_sz, const P
for(std::list<DHCPOption>::const_iterator it = _options.begin(); it != _options.end(); ++it) {
*(ptr++) = it->option;
*(ptr++) = it->length;
std::memcpy(ptr, it->value, it->length);
if(it->length)
std::memcpy(ptr, it->value, it->length);
ptr += it->length;
}
// End of options
@@ -160,3 +175,15 @@ void Tins::DHCP::write_serialization(uint8_t *buffer, uint32_t total_sz, const P
delete[] result;
}
void Tins::DHCP::copy_fields(const DHCP *other) {
BootP::copy_bootp_fields(other);
_size = other->_size;
for(std::list<DHCPOption>::const_iterator it = other->_options.begin(); it != other->_options.end(); ++it)
_options.push_back(DHCPOption(it->option, it->length, it->value));
}
Tins::PDU *Tins::DHCP::clone_pdu() const {
DHCP *new_pdu = new DHCP();
new_pdu->copy_fields(this);
return new_pdu;
}